<p>This is code (4 spaces):</p>

<pre><code>Code
</code></pre>

<p>This is not code</p>

<pre><code>Code
</code></pre>

<p>This is code (1 tab):</p>

<pre><code>Code
</code></pre>

<p>This is not code</p>

<pre><code>Code
</code></pre>
